/Engine/Source/Runtime/Engine/Classes/Particles/ParticleSystemComponent.h
Set a named float instance parameter on this ParticleSystemComponent. Updates the parameter if it already exists, or creates a new entry if not. This maps a int to a float for parity as cascade doesn't have booleans. This for adding functionality to the parentUFXSystemComponentto set int variables.
virtual void SetIntParameter ( [FName](API\Runtime\Core\UObject\FName) ParameterName, int Param )